Forumshttps://software.intel.com/en-us/view/forum-page-default/41164
enRecent Advisor problems may be caused by PINhttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/740107
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Lately, we have been getting many reports of problems with the analysis tools (Inspector, Advisor, and VTune Amplifier) caused by a problem with PIN, the tool they use to instrument software.</p>
<p>PIN problems can produce several types of error. One of the more common ones is<br /><strong>__bionic_open_tzdata_path: PIN_CRT_TZDATA not set!</strong></p>
<p>If you believe you may be affected, please see <a href="https://software.intel.com/en-us/articles/pin-errors-in-2017-update-3-and-4-analysis-tools">this article </a>for more information.</p>
</div></div></div>Fri, 28 Jul 2017 22:17:25 +0000Alex S. (Intel)740107 at https://software.intel.comJoin the Intel® Parallel Studio XE 2018 Beta program https://software.intel.com/en-us/forums/intel-advisor-xe/topic/731297
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p> </p>
<p>We would like to invite you to participate in the Intel® Parallel Studio XE 2018 Beta program. In this beta test, you will gain early access to new features and analysis techniques. Try them out, tell us what you love and what to improve, so we can make our products better for you. </p>
<p>Registration is easy. Complete the pre-beta survey, register, and download the beta software:</p>
<p><a href="http://intelcustomer.az1.qualtrics.com/jfe/form/SV_09AEJgAYdKezL6d" rel="nofollow"><strong>Intel® Parallel Studio XE 2018 Pre-Beta survey</strong></a></p>
<p>The 2018 version brings together exciting new technologies along with improvements to Intel’s existing software development tools:</p>
<p><strong>Modernize Code for Performance, Portability and Scalability on the Latest Intel® Platforms</strong></p>
<ul>
<li>Use fast <strong>Intel® Advanced Vector Extensions 512 (Intel®</strong> <strong>AVX-512)</strong> instructions on <strong>Intel® Xeon®</strong> and <strong>Intel®</strong> <strong>Xeon® Phi™</strong> processors and coprocessors</li>
<li><strong>Intel® Advisor -</strong> Roofline finds high impact, but under optimized loops</li>
<li><strong>Intel® Distribution for Python* - </strong>Faster Python* applications</li>
<li>Stay up-to-date with the latest standards and IDE:
<ul>
<li><strong>C++2017</strong> draft parallelizes and vectorizes C++ easily using <strong>Parallel STL*</strong></li>
<li>Full <strong>Fortran* 2008</strong>, <strong>Fortran 2015 </strong>draft</li>
<li><strong>OpenMP* 5.0 </strong>draft, <strong>Microsoft Visual Studio* 2017</strong></li>
</ul>
</li>
<li>Accelerate MPI applications with <strong>Intel® Omni-Path</strong> Architecture</li>
</ul>
<p><strong>Flexibility for Your Needs</strong></p>
<ul>
<li><strong>Application Snapshot -</strong> Quick answers: Does my hybrid code need optimization?</li>
<li><strong>Intel® VTune™ Amplifier </strong>– Profile private clouds with Docker* and Mesos* containers, Java* daemons</li>
</ul>
<p>And much more…</p>
<p>For more details about this beta program, a FAQ, and What’s New, visit: <a href="https://software.intel.com/en-us/articles/intel-parallel-studio-xe-2018-beta">Intel® Parallel Studio XE 2018 Beta page</a>.As a highly-valued customer and beta tester, we welcome your feedback to our development teams via this program at our <a href="https://supporttickets.intel.com/">Online Service Center</a></p>
</div></div></div>Fri, 14 Apr 2017 12:58:09 +0000kevin-oleary (Intel)731297 at https://software.intel.comAccuracy of parallel vs. sequential computationshttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/757283
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>I have a finite element code in which I am trying to parallelize a subroutine. The difference in the results between parallel and sequential computation is around 1E-7. I read in the StackOverflow post linked below that floating point operations are not commutative, so one should not expect identical results when performing calculations in multithreaded codes. How large can this type of error become? After several thousand time steps, would an error of 1E-7 be understandable?</p>
<p>Another issue we have considered is the precision of different threads. Are all the threads in a given computer guaranteed to have the same precision? Or could differing precision be contributing to the difference in the results? </p>
<p>Thank you for any information you can provide.</p>
<p>StackOverflow: <a href="https://stackoverflow.com/questions/13937328/division-of-floating-point-numbers-on-gpu-different-from-that-on-cpu">https://stackoverflow.com/questions/13937328/division-of-floating-point-...</a></p>
</div></div></div>Thu, 15 Feb 2018 21:59:24 +0000Brynne N.757283 at https://software.intel.comBios/boothttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/754543
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Hi everyone I desperately need advice<br />
I booted my graphics card to hdmi to work on the tv and now I have no idea how to boot it back to dvi on the graphics card through the boot menu can anyone please advise me on what to do.</p>
</div></div></div>Fri, 12 Jan 2018 20:10:45 +0000Shuttleworth, Johnathan754543 at https://software.intel.comAdvisor 2018 - Project Always Out of Datehttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/753553
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Hi,</p>
<p>I am new to Advisor 2018 (Update 1) under Visual Studio 2017 15.5.1. I am finding that no matter how many times I recompile my project, Advisor always reports Project Out of Date during data collection.</p>
<p>I've just been ignoring the warning and it seems to continue normally.</p>
<p>Also of note (perhaps related?), the collection process "claims" my project targets were not compiled with /Zi (debug info) or /O2 or /O3 - they are - and there are no errors in the collection log to suggest this is the case except this:</p>
<p>Cannot locate debugging information for file `C:\Program Files (x86)\IntelSWTools\Advisor 2018\bin64\tpsstool.dll'.</p>
<p>Moreover, the analysis components do not seem to have any issues resolving symbols or line numbers in the code. I've confirmed pdb's are generated for the affected modules. It's unclear what the problem, if any, actually is.</p>
<p>Is this just tool spam that should (safely) be ignored?</p>
<p>Thanks,</p>
<p>J</p>
</div></div></div>Mon, 11 Dec 2017 22:46:27 +0000Jason B.753553 at https://software.intel.comadvixe-cl How to report GFLOPshttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/749244
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>I am running the Intel Advisor 2018 (build 523188) on Linux CentOS 7.4.</p>
<p>I am profiling a bunch of benchmarks (I want to plot them all in a single roofline plot) and I am using the command line tool (advixe-cl) to collect the survey, tripcounts and flops information for each benchmark.</p>
<p>However, I cannot find a way to report the measured flops (for each loop or function or even whole program) using the command line tool advixe-cl. The documentation I am looking at is found here <a href="https://software.intel.com/en-us/advisor-help-lin-command-line-interface-reference">https://software.intel.com/en-us/advisor-help-lin-command-line-interface-reference</a>, but I think that it is not complete e.g. the option -flops-and-masks is not mentioned anywhere. Do you know if there is any way to report the measured flops via the command line interface?</p>
</div></div></div>Thu, 30 Nov 2017 08:15:34 +0000Konstantinos I.749244 at https://software.intel.comRoofline gives me a much higher performance then expectedhttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/748307
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Good morning,</p>
<p>I'm working on code optimisation. I run on Broadwell E5-2650v4 CPUs Linux machines. I optimised the code so roofline model shows 284.38 GFLOPS of perfomance versus 35.94 GFLOPS of the previous version of optimisation. It is 7.9 times higher. However, elapsed time is only around 2 times difference. I'm not sure it is the sort of difference I should expect...I would expect that roofline model also shows me 2 times difference in performance...What there could be wrong?</p>
<p>I'm attaching two screenshots of roofline models built with Intel Advisor. </p>
<p>Kind regards,</p>
<p>Sofya</p>
<p> </p>
</div></div></div><div class="field field-name-field-attachments field-type-file field-label-hidden"><div class="field-items"><div class="field-item even"><table class="sticky-enabled">
<thead><tr><th>Attachment</th><th>Size</th> </tr></thead>
<tbody>
<tr class="odd"><td><span class="file"><a href="https://software.intel.com/sites/default/files/managed/42/36/roofLine.rar" class="button-cta" type="application/rar; length=104903">Download</a><img class="file-icon" typeof="foaf:Image" src="https://software.intel.com/sites/all/themes/isn3/css/images/attachment_icon.png" alt="application/rar" title="application/rar" /> <a href="https://software.intel.com/sites/default/files/managed/42/36/roofLine.rar" type="application/rar; length=104903">roofLine.rar</a></span></td><td>102.44 KB</td> </tr>
</tbody>
</table>
</div></div></div>Sat, 11 Nov 2017 11:05:19 +0000Sofya T.748307 at https://software.intel.comIntel support for OpenACChttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/747731
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>The current computing landscape is spotted with a variety of computational architectures: multi-core CPUs, GPUs, many-core devices. DSPs, and FPGAs, just to name a few. It is now becoming commonplace to find not just one, but many of these different architectures within the same machine.</p>
<p>I was wondering if there is support for OpenACC on Intel GPU's?</p>
<p>I have used OpenACC on multi-core CPU's to parallelize my C++ application, and the results were very efficient</p>
</div></div></div>Sun, 29 Oct 2017 23:05:47 +0000Moloti N.747731 at https://software.intel.comExport survey page as a csv filehttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/747340
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>Hi,</p>
<p>​ From the Intel Advisor client, is it possible to export the survey page columns ( under the "Survey and Roofline" tab, where "function call sites and loops" are sorted by decreasing "self times") as a .csv file or some other text format? Being able to extract it as a .csv will enable me to use scripts to further explore this treasure trove of data efficiently. <br />
Thanks much in advance<br />
Anirban</p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
</div></div></div>Sat, 21 Oct 2017 12:48:27 +0000Anirban J.747340 at https://software.intel.compin.exe The NTDLL!NtMapViewOfSection function jumps out of NTDLLhttps://software.intel.com/en-us/forums/intel-advisor-xe/topic/746560
<div class="field field-name-body field-type-text-with-summary field-label-hidden"><div class="field-items"><div class="field-item even" property="content:encoded"><p>We are having a problem running Advisor, following advise found elsewhere we are trying to run this command to prove pin.exe works and getting the error below. Can anyone offer some assistance on how we go about resolving this. This is Parallel Studio XE 2018 on Windows 7 with VS2017.</p>
<p>thanks</p>
<p>pin.exe -- notepad</p>
<p>E: SYSCALL_INSPECTOR: The NTDLL!NtMapViewOfSection function jumps out of NTDLL, at 0x027480000. It may be hooked by a PIN-incompatible software instal<br />
led on the system<br />
A: Source\pin\base_w\ipc_server_windows.cpp: LEVEL_BASE::StartServer: 2216: assertion failed: res == TRUE</p>
<p>NO STACK TRACE AVAILABLE</p>
</div></div></div>Mon, 09 Oct 2017 11:42:06 +0000Paul H.746560 at https://software.intel.com